CN209922830U - High altitude construction car landing leg supports withdrawal state detection device - Google Patents
High altitude construction car landing leg supports withdrawal state detection device Download PDFInfo
- Publication number
- CN209922830U CN209922830U CN201920417409.1U CN201920417409U CN209922830U CN 209922830 U CN209922830 U CN 209922830U CN 201920417409 U CN201920417409 U CN 201920417409U CN 209922830 U CN209922830 U CN 209922830U
- Authority
- CN
- China
- Prior art keywords
- travel switch
- fixed
- fixing plate
- oil cylinder
- telescopic oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a device for detecting the support retraction state of support legs of an overhead working truck, which comprises a support arm, a fixed mounting seat and a telescopic oil cylinder, wherein one end of the support arm is provided with the fixed mounting seat by welding, and the telescopic oil cylinder is arranged inside the fixed mounting seat, the utility model is scientific and reasonable, is safe and convenient to use, is provided with a second fixed cover, a second travel switch and a touch panel, when the support legs are retracted in place, the touch panel can touch the contact of the second travel switch, the second travel switch outputs a signal, the retraction in place detection of the support legs can be realized, the load state of the whole support legs is in the lowest state when the support legs are not used, simultaneously, the support legs of the overhead working truck are ensured not to influence the support legs in the driving process, and the safety performance of the overhead working truck when the overhead working truck is driven is ensured, the service life of the supporting leg is effectively prolonged.
Description
Technical Field
The utility model relates to an aerial working car technical field specifically is an aerial working car landing leg supports withdrawal state detection device.
Background
The high altitude construction car is one kind and is used for assisting the staff, provides a mechanical vehicle of high altitude construction platform for the staff, and current high altitude construction car is when using, in order to guarantee the stability ability of whole automobile body, improves high altitude construction's security performance, all can install the supporting leg, supports whole vehicle, but among the prior art, there is following problem at the time of the use with the supporting leg for the high altitude construction car: when utilizing the supporting leg to support the high altitude construction car, can't support the supporting leg and whether target in place and detect, when the supporting leg does not support completely and land, can lead to whole high altitude construction car unstability to come the threat for high altitude construction personnel, when contracting the supporting leg, also can't contract whether target in place to the supporting leg and detect, when the supporting leg does not contract completely and target in place, can increase whole strutting arrangement's load, long-time shrink does not target in place, can lead to the supporting leg to damage, so, people need a high altitude construction car landing leg to support withdrawal state detection device promptly and solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aerial working car landing leg supports withdrawal state detection device, when utilizing the supporting leg to support the aerial working car with solving and proposing among the prior art, can't support the supporting leg and target in place and detect, when the supporting leg does not support completely and land, can possibly lead to whole aerial working car unstability to come the threat for aerial working personnel, when carrying out the shrink to the supporting leg, also can't target in place the shrink to the supporting leg and detect, when the supporting leg does not contract completely and targets in place, can increase whole strutting arrangement's load, long-time shrink is not target in place, can lead to the problem that the supporting leg damaged.
In order to achieve the above object, the utility model provides a following technical scheme: a high altitude construction car landing leg supports and retracts state detection device, this state detection device includes support arm, fixed mounting seat and flexible hydro-cylinder, support arm one end is fitted with the fixed mounting seat through the welding, the flexible hydro-cylinder is fitted with in the fixed mounting seat, the upper end of fixed mounting seat is fitted with the installation limiting plate through the fixed screw, the edge of bottom end of the fixed mounting seat is fitted with the first fixed plate through the welding, one end of the support arm locates at one side of fixed mounting seat and fixedly mounts the first fixed cover through the fixed screw, the inboard bottom end of the first fixed cover is fixedly mounted with the first travel switch through the fixed screw, the input end of the first travel switch is electrically connected with output end of the power;
when the supporting legs extend to the right place and are in close contact with the ground, the second fixing plate moves upwards due to the reaction force of the support, the second fixing plate touches the contact of the first travel switch through the trigger groove, the first travel switch outputs a signal, the supporting legs can be supported to the right place, the stability of the supporting legs for supporting the high-altitude operation vehicle is guaranteed, and the personal safety of high-altitude operation personnel is effectively guaranteed.
A second fixing plate is arranged below the first fixing plate on the outer side of the bottom end of the telescopic oil cylinder through welding, a second fixing cover is arranged on one side of the second fixing plate, a second travel switch is fixedly arranged on one side, close to the telescopic oil cylinder, of the second fixing cover through fixing screws, the input end of the second travel switch is electrically connected with the output end of a power supply, supporting legs are fixedly arranged at the bottom end of the telescopic oil cylinder through fixing screws, and a touch plate is arranged on the outer side above the supporting legs through welding;
when the supporting legs shrink when targetting in place, can make the touch panel touch the contact of second travel switch, second travel switch output signal can realize the detection that targets in place to the supporting legs shrink, has guaranteed when not using the supporting leg, and the load condition of whole supporting leg is in minimum state, simultaneously, has guaranteed that the high altitude construction car can not lead to the fact the influence to it at the in-process supporting leg of traveling, has guaranteed the security performance of high altitude construction car when traveling, the effectual life who prolongs the supporting leg.
Preferably, through self-locking screw swing joint between each apex angle of first fixed plate and second fixed plate, the reset spring has been cup jointed to the self-locking screw outside and is located between first fixed plate and the second fixed plate, fixes between first fixed plate and the second fixed plate through the self-locking screw, utilizes reset spring to support first fixed plate and second fixed plate, can effectually prevent to appear the phenomenon of laminating each other because get into impurity between first fixed plate and the second fixed plate, has avoided first travel switch to be in the trigger state for a long time and has appeared damaging, the effectual life who prolongs first travel switch.
Preferably, the second fixing cover is slidably connected with the second fixing plate through a sliding groove and a fixing screw, so that the specific position of the second travel switch can be adjusted according to actual conditions.
Preferably, the anti-skidding rubber pads are fixedly mounted at the bottom ends of the supporting legs through fixing screws, anti-skidding lines are chiseled at the bottom ends of the rubber pads at equal intervals, so that the friction force of contact between the supporting legs and the ground can be improved, and the supporting legs are more stable in supporting.
Preferably, the distance between the first fixing plate and the second fixing plate in the relaxed state is equal to the distance between the first travel switch contact and the first fixing plate, so that the first fixing plate is prevented from still extruding the first travel switch in the relaxed state to cause output of wrong signals, and meanwhile, the service life of the first travel switch can be effectively prolonged.
Preferably, the upper surface of the touch panel is attached with a buffer rubber pad through glue, so that the damage of the second travel switch caused by overlarge instantaneous contact pressure between the touch panel and the contact of the second travel switch when the telescopic oil cylinder is retracted is avoided.
Preferably, a trigger groove is formed in one side, close to the first travel switch, of the first fixing plate, so that when the supporting leg is in an extending state, the first travel switch can be touched by the rising of the second fixing plate, and a signal is output.
Compared with the prior art, the beneficial effects of the utility model are that:
1. be provided with the fixed cover of second, second travel switch and touch panel, when the supporting legs shrink targets in place, can make touch panel touch second travel switch's contact, second travel switch output signal, can realize the detection that targets in place to the supporting legs shrink, guaranteed when not using the supporting legs, the load condition of whole supporting legs is in minimum state, and simultaneously, guaranteed that the high altitude construction car can not cause the influence to it at the in-process supporting leg that traveles, guaranteed the security performance of high altitude construction car when traveling, the effectual life who prolongs the supporting leg.
2. Be provided with first fixed cover, first travel switch and first fixed plate, target in place when the supporting legs extension, when with ground in close contact with, because the reaction force of support, make the second fixed plate shift up, make the second fixed plate touch first travel switch's contact through triggering the recess, first travel switch output signal can realize supporting the detection that targets in place to the supporting legs, guaranteed the stability ability when utilizing the supporting leg to support the high altitude construction car, the effectual personal safety who ensures high altitude construction personnel.
3. Be provided with first fixed plate, the second fixed plate, self-locking screw and reset spring, fix between first fixed plate and the second fixed plate through the self-locking screw, utilize reset spring to support first fixed plate and second fixed plate, can effectually prevent to appear the phenomenon of laminating each other because get into impurity between first fixed plate and the second fixed plate, avoided first travel switch to be in the trigger state for a long time and appear damaging, the effectual life who prolongs first travel switch.
4. Through fixed mounting seat fixed connection between flexible hydro-cylinder and the support arm for the fixed mounting of flexible hydro-cylinder is more convenient, dismantles and changes more convenient.
Drawings
Fig. 1 is a schematic structural view of the device for detecting the support retraction state of the support leg of the aerial work platform of the present invention;
FIG. 2 is a schematic view of the installation structure of the telescopic cylinder of the device for detecting the support retraction state of the support legs of the aerial work platform of the utility model;
fig. 3 is a front view of the device for detecting the support retraction state of the support leg of the aerial work platform of the present invention;
FIG. 4 is a schematic view of the mounting structure of the fixing mounting seat of the device for detecting the support retraction state of the support legs of the aerial work platform of the present invention;
FIG. 5 is a schematic view of the mounting structure of the return spring of the device for detecting the support retraction state of the support legs of the aerial cage of the utility model;
reference numbers in the figures: 1. a support arm; 2. fixing the mounting seat; 3. a telescopic oil cylinder; 4. mounting a limiting plate; 5. a first fixing plate; 6. a first stationary cover; 7. a first travel switch; 8. a second fixing plate; 9. self-locking screws; 10. a return spring; 11. a second stationary cover; 12. a second travel switch; 13. a touch pad; 14. support the feet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b): as shown in figures 1-5, the utility model provides a technical scheme, a high-altitude operation vehicle supporting leg support retraction state detection device, the state detection device comprises a supporting arm 1, a fixed mounting seat 2 and a telescopic oil cylinder 3, one end of the supporting arm 1 is provided with the fixed mounting seat 2 by welding, the fixed mounting seat 2 is used for fixing and mounting the telescopic oil cylinder 3, the telescopic oil cylinder 3 is arranged in the fixed mounting seat 2, the upper end of the fixed mounting seat 2 is provided with a mounting limit plate 4 by a fixing screw for fixing and limiting the position of the telescopic oil cylinder 3 and avoiding the telescopic oil cylinder 3 from sliding off, the bottom end part of the fixed mounting seat 2 is provided with a first fixing plate 5 by welding, the first fixing plate 5 is used for supporting the telescopic oil cylinder 3, one end of the supporting arm 1 is positioned at one side of the fixed mounting seat 2 and is fixedly provided with a first fixing cover 6 by the, the first fixing cover 6 is used for fixedly mounting the first travel switch 7, the first travel switch 7 is fixedly mounted on the inner side of the bottom end of the first fixing cover 6 through a fixing screw, the type of the first travel switch 7 is LXKI9-111 and is used for detecting whether the support of the support leg is in place, and the input end of the first travel switch 7 is electrically connected with the output end of the power supply;
the outer side of the bottom end of the telescopic oil cylinder 3 is positioned below the first fixing plate 5 and is provided with a second fixing plate 8 through welding, in order to avoid that the first fixing plate 5 still extrudes the first travel switch 7 in a loose state to cause output of wrong signals, and meanwhile, the service life of the first travel switch 7 can be effectively prolonged, in order to ensure that when the supporting leg is in an extension state, the second fixing plate 8 can touch the first travel switch 7 when rising, and output signals, a triggering groove is arranged on one side, close to the first travel switch 7, of the first fixing plate 5, the distance between the first fixing plate 5 and the second fixing plate 8 in the loose state is equal to the distance between the contact of the first travel switch 7 and the first fixing plate 5, the first fixing plate is used for supporting the telescopic oil cylinder 3 and supporting the whole high-altitude operation vehicle, a second fixing cover 11 is arranged on one side of the second fixing plate 8 and is used for fixedly installing a second travel, a second travel switch 12 is fixedly mounted on one side, close to the telescopic oil cylinder 3, of the second fixing cover 11 through a fixing screw, the model of the second travel switch 12 is LXKI9-111, in order to enable the specific position of the second travel switch 12 to be adjusted according to actual conditions, the second fixing cover 11 is in sliding connection with the second fixing plate 8 through a sliding groove and the fixing screw and used for detecting whether the supporting legs 14 are retracted in place, and the input end of the second travel switch 12 is electrically connected with the output end of a power supply;
3 bottom ends of telescopic cylinder have supporting legs 14 through fixed screw fixed mounting, be used for supporting high altitude construction car, touch panel 13 is installed through the welding in the supporting legs 14 top outside, be used for touching second travel switch 12, in order to avoid when contracting telescopic cylinder 3, contact pressure is too big in the twinkling of an eye between touch panel 13 and the second travel switch 12 contact and leads to second travel switch 12 to damage, touch panel 13 upper surface has cushion rubber pad through the glue laminating, in order to make can improve the frictional force of contact between supporting legs 14 and the ground, make supporting legs 14 support more stable, 14 bottom ends of supporting legs have anti-skidding rubber pad through fixed screw fixed mounting, rubber pad bottom equidistance leaves the chisel and has anti-skidding line.
Through 9 swing joint of auto-lock screw between each apex angle of first fixed plate 5 and second fixed plate 8, reset spring 10 has been cup jointed to the auto-lock screw 9 outside and has been located between first fixed plate 5 and the second fixed plate 8, support first fixed plate 5 and second fixed plate 8 in order to utilize reset spring 10, can effectually prevent to appear the phenomenon of laminating each other because get into impurity between first fixed plate 5 and the second fixed plate 8, avoided first travel switch 7 to be in the state of triggering for a long time and the damage appears, the effectual life who prolongs first travel switch 7.
The utility model discloses a theory of operation is: firstly, when the support legs are used for supporting the overhead working truck, the hydraulic system is controlled to input hydraulic oil into the telescopic oil cylinder 3, so that the telescopic oil cylinder 3 extends, the extension of the telescopic oil cylinder 3 enables the support legs 14 to gradually approach the ground, when the support legs 14 are in close contact with the ground, the telescopic oil cylinder 3 can move upwards for a certain distance due to the reaction force of the ground, at the moment,
the second fixing plate 8 rises along with the first fixing plate and touches the contact of the first travel switch 7, the first travel switch 7 outputs a signal to display that the supporting legs 14 are supported in place, and the high-altitude operation vehicle is in a stable state;
when the supporting leg needs to be retracted, the hydraulic system is controlled to pump out the hydraulic oil in the telescopic oil cylinder 3, so that the telescopic oil cylinder 3 is contracted, at the moment, the telescopic oil cylinder 3 is contracted to enable the supporting leg 14 to be gradually far away from the ground, when the supporting leg 14 is completely contracted, the touch plate 13 is made to touch the contact of the second travel switch 12, the second travel switch 12 outputs a signal to display that the supporting leg 14 is contracted in place,
when the telescopic oil cylinder 3 contracts, the second fixing plate 8 does not receive the reaction force of the ground any more, at the moment, under the action of the return spring 10, the first fixing plate 5 and the second fixing plate 8 are separated, so that a gap appears between the first fixing plate 5 and the second fixing plate 8, the second fixing plate 8 does not extrude the first travel switch 7 any more, the first travel switch 7 does not output a signal that the supporting leg 14 supports in place, and the detection that the supporting leg 14 contracts in place is completed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A device for detecting the support retraction state of a support leg of an overhead working truck is characterized by comprising a support arm (1), a fixed mounting seat (2) and a telescopic oil cylinder (3), one end of the supporting arm (1) is provided with a fixed mounting seat (2) by welding, a telescopic oil cylinder (3) is arranged in the fixed mounting seat (2), the upper end part of the fixed mounting seat (2) is provided with a mounting limit plate (4) through a fixing screw, the edge part of the bottom end of the fixed mounting seat (2) is provided with a first fixed plate (5) by welding, one end of the supporting arm (1) is positioned at one side of the fixed mounting seat (2) and is fixedly provided with a first fixed cover (6) through a fixed screw, a first travel switch (7) is fixedly arranged on the inner side of the bottom end of the first fixed cover (6) through a fixed screw, the input end of the first travel switch (7) is electrically connected with the output end of the power supply;
the utility model discloses a telescopic oil cylinder, including telescopic oil cylinder (3), first fixed plate (5), second fixed plate (8) are installed through the welding in the bottom outside of telescopic oil cylinder (3), the fixed cover of second (11) is installed to second fixed plate (8) one side, the fixed cover of second (11) is close to telescopic oil cylinder (3) one side and has second travel switch (12) through fixed screw fixed mounting, the input of second travel switch (12) and the output electric connection of power, telescopic oil cylinder (3) bottom has supporting legs (14) through fixed screw fixed mounting, touch panel (13) are installed through the welding in the supporting legs (14) top outside.
2. The aerial lift truck leg support retraction status detection apparatus as claimed in claim 1, wherein: the first fixing plate (5) is movably connected with each vertex angle of the second fixing plate (8) through a self-locking screw (9), and a reset spring (10) is sleeved between the first fixing plate (5) and the second fixing plate (8) and located on the outer side of the self-locking screw (9).
3. The aerial lift truck leg support retraction status detection apparatus as claimed in claim 1, wherein: the second fixing cover (11) is connected with the second fixing plate (8) in a sliding mode through a sliding groove and a fixing screw.
4. The aerial lift truck leg support retraction status detection apparatus as claimed in claim 1, wherein: the bottom ends of the supporting legs (14) are fixedly provided with anti-skidding rubber pads through fixing screws, and anti-skidding threads are chiseled at the bottom ends of the rubber pads at equal intervals.
5. The aerial lift truck leg support retraction status detection apparatus as claimed in claim 1, wherein: the distance between the first fixing plate (5) and the second fixing plate (8) in the relaxed state is equal to the distance between the first travel switch (7) contact and the first fixing plate (5).
6. The aerial lift truck leg support retraction status detection apparatus as claimed in claim 1, wherein: and the upper surface of the touch plate (13) is adhered with a buffer rubber pad through glue.
7. The aerial lift truck leg support retraction status detection apparatus as claimed in claim 1, wherein: a trigger groove is formed in one side, close to the first travel switch (7), of the first fixing plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920417409.1U CN209922830U (en) | 2019-03-29 | 2019-03-29 | High altitude construction car landing leg supports withdrawal state detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920417409.1U CN209922830U (en) | 2019-03-29 | 2019-03-29 | High altitude construction car landing leg supports withdrawal state detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209922830U true CN209922830U (en) | 2020-01-10 |
Family
ID=69072110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920417409.1U Active CN209922830U (en) | 2019-03-29 | 2019-03-29 | High altitude construction car landing leg supports withdrawal state detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209922830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688650A (en) * | 2020-07-23 | 2020-09-22 | 徐州徐工随车起重机有限公司 | Landing leg with telescopic state detection mechanism and operation vehicle |
-
2019
- 2019-03-29 CN CN201920417409.1U patent/CN209922830U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688650A (en) * | 2020-07-23 | 2020-09-22 | 徐州徐工随车起重机有限公司 | Landing leg with telescopic state detection mechanism and operation vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209922830U (en) | High altitude construction car landing leg supports withdrawal state detection device | |
| CA2781574C (en) | Access device | |
| CN106144953B (en) | Motor vehicle repair car body lifting device | |
| CN105439053B (en) | A kind of aerial work platform and its scissor device | |
| CN203332091U (en) | Automobile brake pedal assembly and automobile | |
| CN105800441B (en) | A kind of safety guard on escalator or moving sidewalk | |
| CN209797407U (en) | high-altitude operation car supporting device capable of detecting soft legs of supporting legs | |
| CN115262435A (en) | Windbreak with paper folding structure | |
| CN203655137U (en) | Safety protection device of mine excavator boarding ladder | |
| CN204749953U (en) | Detection device and engineering vehicle are withdrawed to cantilever crane | |
| CN207697716U (en) | A kind of special purpose vehicle hydraulic leg mechanism | |
| CN105417392A (en) | Height-change and span-change device for tire type crane | |
| CN210014771U (en) | Soft leg detection device of A-shaped leg high-altitude operation vehicle | |
| CN212047934U (en) | Safe intelligent aircraft wheel chock | |
| CN210366470U (en) | Elevator wire rope slack rope protection device | |
| CN202766004U (en) | Broken rope protecting device for elevator tractor | |
| CN211032822U (en) | Novel single arm brace of electric motor car | |
| CN110952469B (en) | Road overload warning device | |
| CN205709419U (en) | A kind of safety guard on escalator or moving sidewalk | |
| CN111688650A (en) | Landing leg with telescopic state detection mechanism and operation vehicle | |
| CN216341118U (en) | Protective device for preventing engineering vehicle from approaching high-voltage wire | |
| CN210736109U (en) | Elevating platform for automobile inspection | |
| CN205186514U (en) | Backplate undercarriage linkage winding and unwinding devices | |
| CN208577408U (en) | A kind of supporting leg using limit switch | |
| CN211001810U (en) | Shock absorption support for unmanned aerial vehicle for aerial photography |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 2007 and 2008, Building 20, No. 30 Fengzhan Road, Yuhuatai District, Nanjing, Jiangsu Province, 210012 Patentee after: Jiangsu Yingshi Technology Co., Ltd Address before: Room 2007 and 2008, Building 20, No. 30 Fengzhan Road, Yuhuatai District, Nanjing, Jiangsu Province, 210012 Patentee before: JIANGSU LIEYING MACHINERY Co.,Ltd. |